EP3787629A1 - Hemmer von cyclinabhängigen kinasen - Google Patents

Hemmer von cyclinabhängigen kinasen

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Publication number
EP3787629A1
EP3787629A1 EP19796143.6A EP19796143A EP3787629A1 EP 3787629 A1 EP3787629 A1 EP 3787629A1 EP 19796143 A EP19796143 A EP 19796143A EP 3787629 A1 EP3787629 A1 EP 3787629A1
Authority
EP
European Patent Office
Prior art keywords
optionally substituted
compound
pharmaceutically acceptable
solvate
acceptable salt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19796143.6A
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English (en)
French (fr)
Other versions
EP3787629A4 (de
Inventor
Toufike Kanouni
Lee Arnold
Stephen W. Kaldor
Eric A. Murphy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kinnate Biopharma Inc
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Kinnate Biopharma Inc
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Publication date
Application filed by Kinnate Biopharma Inc filed Critical Kinnate Biopharma Inc
Publication of EP3787629A1 publication Critical patent/EP3787629A1/de
Publication of EP3787629A4 publication Critical patent/EP3787629A4/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/08—Solutions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4816—Wall or shell material
    • A61K9/4825—Proteins, e.g. gelatin
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings

Definitions

  • CDKs Cyclin-dependent kinases
  • CDKs cyclin-dependent kinases
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (I):
  • E is selected from a bond, -S0 2 -, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • G is selected from a group having the structure:
  • L is 0, NH, or N(optionally substituted C1-C4 alkyl);
  • t 0, 1, or 2;
  • u 1, or 2;
  • p 0, 1, or 2;
  • r 0, 1, or 2;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 5 is optionally substituted C1-C4 alkyl, or optionally substituted heterocyclylalkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (II):
  • E is selected from a bond, -SO2-, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • G is selected from a group having the structure:
  • L is O, NH, or N(optionally substituted C1-C4 alkyl);
  • t 0, 1, or 2;
  • u 1 or 2;
  • p 0, 1, or 2;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 5 is optionally substituted C1-C4 alkyl, or optionally substituted heterocyclylalkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • a pharmaceutical composition comprising a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, and at least one pharmaceutically acceptable excipient.
  • One embodiment provides a method of treating a disease or disorder in a patient in need thereof comprising administering to the patient a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof. Another embodiment provides the method wherein the disease or disorder is cancer.
  • One embodiment provides a pharmaceutical composition
  • a pharmaceutical composition comprising a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, and at least one pharmaceutically acceptable excipient.
  • One embodiment provides a method of treating a disease or disorder in a patient in need thereof comprising administering to the patient a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof. Another embodiment provides the method wherein the disease or disorder is cancer.
  • Amino refers to the -NH 2 radical.
  • Niro refers to the -N0 2 radical.
  • Oxa refers to the -O- radical.
  • Alkyl refers to a straight or branched hydrocarbon chain radical consisting solely of carbon and hydrogen atoms, containing no unsaturation, having from one to fifteen carbon atoms (e.g ., C1-C15 alkyl). In certain embodiments, an alkyl comprises one to thirteen carbon atoms (e.g., C1-C13 alkyl). In certain embodiments, an alkyl comprises one to eight carbon atoms (e.g., Ci-C 8 alkyl).
  • an alkyl comprises one to five carbon atoms (e.g., C1-C5 alkyl). In other embodiments, an alkyl comprises one to four carbon atoms (e.g., C1-C4 alkyl). In other
  • an alkyl comprises one to three carbon atoms (e.g., C1-C3 alkyl). In other embodiments, an alkyl comprises one to two carbon atoms (e.g., Ci-C 2 alkyl). In other
  • an alkyl comprises one carbon atom (e.g., Ci alkyl). In other embodiments, an alkyl comprises five to fifteen carbon atoms (e.g., C5-C15 alkyl). In other embodiments, an alkyl comprises five to eight carbon atoms (e.g., Cs-Cs alkyl). In other embodiments, an alkyl comprises two to five carbon atoms (e.g., C 2 -C 5 alkyl). In other embodiments, an alkyl comprises three to five carbon atoms (e.g., C3-C5 alkyl).
  • the alkyl group is selected from methyl, ethyl, 1 -propyl (//-propyl), 1 -methyl ethyl (Ao-propyl), 1 -butyl (//-butyl), 1 -methylpropyl (sec- butyl), 2-methylpropyl (Ao-butyl), 1,1 -dimethyl ethyl (A/7-butyl), 1 -pentyl (//-pentyl).
  • the alkyl is attached to the rest of the molecule by a single bond.
  • an alkyl group is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , -OC(0)-R a , -N(R a ) 2 , - C(0)R a , -C(0)OR a , -C(0)N(R a ) 2 , -N(R a )C(0)OR a , -OC(0)-N(R a ) 2 , -N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t OR a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t N(R a
  • Alkoxy refers to a radical bonded through an oxygen atom of the formula -O-alkyl, where alkyl is an alkyl chain as defined above.
  • alkenyl refers to a straight or branched hydrocarbon chain radical group consisting solely of carbon and hydrogen atoms, containing at least one carbon-carbon double bond, and having from two to twelve carbon atoms. In certain embodiments, an alkenyl comprises two to eight carbon atoms. In other embodiments, an alkenyl comprises two to four carbon atoms. The alkenyl is attached to the rest of the molecule by a single bond, for example, ethenyl (z.e., vinyl), prop-l-enyl (z.e., allyl), but-l-enyl, pent-l-enyl, penta-l,4-dienyl, and the like.
  • an alkenyl group is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , - OC(0)-R a , -N(R a ) 2 , -C(0)R a , -C(0)OR a , -C(0)N(R a ) 2 , -N(R a )C(0)OR a , -OC(0)-N(R a ) 2 , - N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t OR a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t N(R
  • Alkynyl refers to a straight or branched hydrocarbon chain radical group consisting solely of carbon and hydrogen atoms, containing at least one carbon-carbon triple bond, having from two to twelve carbon atoms.
  • an alkynyl comprises two to eight carbon atoms.
  • an alkynyl comprises two to six carbon atoms.
  • an alkynyl comprises two to four carbon atoms.
  • the alkynyl is attached to the rest of the molecule by a single bond, for example, ethynyl, propynyl, butynyl, pentynyl, hexynyl, and the like.
  • an alkynyl group is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , -0C(0)-R a , -N(R a ) 2 , -C(0)R a , -C(0)0R a , -C(0)N(R a ) 2 , -N(R a )C(0)0R a , -0C(0)-N(R a ) 2 , - N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t 0R a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t R a (where
  • Alkylene or "alkylene chain” refers to a straight or branched divalent hydrocarbon chain linking the rest of the molecule to a radical group, consisting solely of carbon and hydrogen, containing no unsaturation and having from one to twelve carbon atoms, for example, methylene, ethylene, propylene, «-butylene, and the like.
  • the alkylene chain is attached to the rest of the molecule through a single bond and to the radical group through a single bond.
  • the points of attachment of the alkylene chain to the rest of the molecule and to the radical group are through one carbon in the alkylene chain or through any two carbons within the chain.
  • an alkylene comprises one to eight carbon atoms (e.g ., Ci-C 8 alkylene). In other embodiments, an alkylene comprises one to five carbon atoms (e.g., C1-C5 alkylene). In other embodiments, an alkylene comprises one to four carbon atoms (e.g., C1-C4 alkylene). In other embodiments, an alkylene comprises one to three carbon atoms (e.g., C1-C3 alkylene). In other embodiments, an alkylene comprises one to two carbon atoms (e.g., Ci-C 2 alkylene). In other embodiments, an alkylene comprises one carbon atom (e.g., Ci alkylene).
  • an alkylene comprises five to eight carbon atoms (e.g., Cs-Cs alkylene). In other embodiments, an alkylene comprises two to five carbon atoms (e.g., C 2 -C 5 alkylene). In other embodiments, an alkylene comprises three to five carbon atoms (e.g., C3-C5 alkylene).
  • an alkylene chain is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , -0C(0)-R a , -N(R a ) 2 , -C(0)R a , - C(0)0R a , -C(0)N(R a ) 2 , -N(R a )C(0)0R a , -0C(0)-N(R a ) 2 , -N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t 0R a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t R a (where t
  • alkenylene or "alkenylene chain” refers to a straight or branched divalent hydrocarbon chain linking the rest of the molecule to a radical group, consisting solely of carbon and hydrogen, containing at least one carbon-carbon double bond, and having from two to twelve carbon atoms.
  • the alkenylene chain is attached to the rest of the molecule through a single bond and to the radical group through a single bond.
  • an alkenylene comprises two to eight carbon atoms (e.g ., C 2 -C 8 alkenylene).
  • an alkenylene comprises two to five carbon atoms (e.g., C 2 -C alkenylene).
  • an alkenylene comprises two to four carbon atoms (e.g., C 2 -C 4 alkenylene). In other embodiments, an alkenylene comprises two to three carbon atoms (e.g., C 2 -C 3 alkenylene). In other embodiments, an alkenylene comprises two carbon atoms
  • an alkenylene comprises five to eight carbon atoms (e.g., C 5 -C 8 alkenylene). In other embodiments, an alkenylene comprises three to five carbon atoms (e.g., C 3 -C 5 alkenylene).
  • an alkenylene chain is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , -0C(0)-R a , -N(R a ) 2 , -C(0)R a , - C(0)0R a , -C(0)N(R a ) 2 , -N(R a )C(0)0R a , -0C(0)-N(R a ) 2 , -N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t 0R a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t R a (where
  • Alkynylene or “alkynylene chain” refers to a straight or branched divalent hydrocarbon chain linking the rest of the molecule to a radical group, consisting solely of carbon and hydrogen, containing at least one carbon-carbon triple bond, and having from two to twelve carbon atoms.
  • an alkynylene chain is attached to the rest of the molecule through a single bond and to the radical group through a single bond.
  • an alkynylene comprises two to eight carbon atoms ( e.g ., C 2 -C 8 alkynylene).
  • an alkynylene comprises two to five carbon atoms (e.g., C2-C5 alkynylene).
  • an alkynylene comprises two to four carbon atoms (e.g., C 2 -C 4 alkynylene).
  • an alkynylene comprises two to three carbon atoms (e.g., C 2 -C 3 alkynylene).
  • an alkynylene comprises two carbon atoms (e.g., C 2 alkynylene). In other embodiments, an alkynylene comprises five to eight carbon atoms (e.g., C5-C8 alkynylene). In other embodiments, an alkynylene comprises three to five carbon atoms (e.g., C3-C5 alkynylene).
  • an alkynylene chain is optionally substituted by one or more of the following substituents: halo, cyano, nitro, oxo, thioxo, imino, oximo, trimethylsilanyl, -OR a , -SR a , -0C(0)-R a , -N(R a ) 2 , -C(0)R a , - C(0)0R a , -C(0)N(R a ) 2 , -N(R a )C(0)0R a , -0C(0)-N(R a ) 2 , -N(R a )C(0)R a , -N(R a )S(0) t R a (where t is 1 or 2), -S(0) t 0R a (where t is 1 or 2), -S(0) t R a (where t is 1 or 2) and -S(0) t R a (where
  • Aryl refers to a radical derived from an aromatic monocyclic or multi cyclic hydrocarbon ring system by removing a hydrogen atom from a ring carbon atom.
  • the aromatic monocyclic or multicyclic hydrocarbon ring system contains only hydrogen and carbon from five to eighteen carbon atoms, where at least one of the rings in the ring system is fully unsaturated, i.e., it contains a cyclic, delocalized (4n+2) p-electron system in accordance with the Hiickel theory.
  • the ring system from which aryl groups are derived include, but are not limited to, groups such as benzene, fluorene, indane, indene, tetralin and naphthalene.
  • aryl or the prefix “ar-” (such as in “aralkyl”) is meant to include aryl radicals optionally substituted by one or more substituents independently selected from alkyl, alkenyl, alkynyl, halo, fluoroalkyl, cyano, nitro, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aralkynyl, optionally substituted carbocyclyl, optionally substituted carbocyclylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, optionally substituted heteroaryl, optionally substituted
  • Aralkyl refers to a radical of the formula -R c -aryl where R c is an alkylene chain as defined above, for example, methylene, ethylene, and the like.
  • the alkylene chain part of the aralkyl radical is optionally substituted as described above for an alkylene chain.
  • the aryl part of the aralkyl radical is optionally substituted as described above for an aryl group.
  • alkenyl refers to a radical of the formula -R d -aryl where R d is an alkenylene chain as defined above.
  • the aryl part of the aralkenyl radical is optionally substituted as described above for an aryl group.
  • the alkenylene chain part of the aralkenyl radical is optionally substituted as defined above for an alkenylene group.
  • Aralkynyl refers to a radical of the formula -R e -aryl, where R e is an alkynyl ene chain as defined above.
  • the aryl part of the aralkynyl radical is optionally substituted as described above for an aryl group.
  • the alkynylene chain part of the aralkynyl radical is optionally substituted as defined above for an alkynylene chain.
  • Aralkoxy refers to a radical bonded through an oxygen atom of the formula -0-R c -aryl where R c is an alkylene chain as defined above, for example, methylene, ethylene, and the like.
  • R c is an alkylene chain as defined above, for example, methylene, ethylene, and the like.
  • the alkylene chain part of the aralkyl radical is optionally substituted as described above for an alkylene chain.
  • the aryl part of the aralkyl radical is optionally substituted as described above for an aryl group.
  • Carbocyclyl refers to a stable non-aromatic monocyclic or polycyclic hydrocarbon radical
  • a carbocyclyl comprises three to ten carbon atoms. In other embodiments, a carbocyclyl comprises five to seven carbon atoms.
  • the carbocyclyl is attached to the rest of the molecule by a single bond. Carbocyclyl is saturated (i.e., containing single C-C bonds only) or unsaturated (i.e., containing one or more double bonds or triple bonds).
  • a fully saturated carbocyclyl radical is also referred to as "cycloalkyl.”
  • monocyclic cycloalkyls include, e.g., cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, and cyclooctyl.
  • An unsaturated carbocyclyl is also referred to as "cycloalkenyl.”
  • Examples of monocyclic cycloalkenyls include, e.g., cyclopentenyl, cyclohexenyl, cycloheptenyl, and cyclooctenyl.
  • Polycyclic carbocyclyl radicals include, for example, adamantyl, norbornyl (i.e., bicyclo[2.2.l]heptanyl), norbomenyl, decalinyl, 7, 7-dimethyl -bicyclo[2.2. l]heptanyl, and the like.
  • carbocyclyl is meant to include carbocyclyl radicals that are optionally substituted by one or more substituents independently selected from alkyl, alkenyl, alkynyl, halo, fluoroalkyl, oxo, thioxo, cyano, nitro, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aralkynyl, optionally substituted carbocyclyl, optionally substituted carbocyclylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, -R b -OR a , -R b -OC(0)-R a , -R b -OC(0)-OR a , -R b - OC(0)-N(R a )
  • Carbocyclylalkyl refers to a radical of the formula -R c -carbocyclyl where R c is an alkylene chain as defined above. The alkylene chain and the carbocyclyl radical is optionally substituted as defined above.
  • Carbocyclylalkynyl refers to a radical of the formula -R c -carbocyclyl where R c is an alkynylene chain as defined above. The alkynylene chain and the carbocyclyl radical is optionally substituted as defined above.
  • Carbocyclylalkoxy refers to a radical bonded through an oxygen atom of the formula -O-
  • R c -carbocyclyl where R c is an alkylene chain as defined above.
  • the alkylene chain and the carbocyclyl radical is optionally substituted as defined above.
  • carboxylic acid bioisostere refers to a functional group or moiety that exhibits similar physical, biological and/or chemical properties as a carboxylic acid moiety.
  • carboxylic acid bioisosteres include, but are not limited to,
  • Halo or "halogen” refers to bromo, chloro, fluoro or iodo substituents.
  • Fluoroalkyl refers to an alkyl radical, as defined above, that is substituted by one or more fluoro radicals, as defined above, for example, trifluoromethyl, difluoromethyl, fluoromethyl,
  • the alkyl part of the fluoroalkyl radical is optionally substituted as defined above for an alkyl group.
  • Heterocyclyl refers to a stable 3- to l8-membered non-aromatic ring radical that comprises two to twelve carbon atoms and from one to six heteroatoms selected from nitrogen, oxygen and sulfur.
  • the heterocyclyl radical is a monocyclic, bicyclic, tricyclic or tetracyclic ring system, which optionally includes fused or bridged ring systems.
  • the heteroatoms in the heterocyclyl radical are optionally oxidized.
  • One or more nitrogen atoms, if present, are optionally quaternized.
  • the heterocyclyl radical is partially or fully saturated. The heterocyclyl is atached to the rest of the molecule through any atom of the ring(s).
  • heterocyclyl radicals include, but are not limited to, dioxolanyl, thienyl[l,3]dithianyl, decahydroisoquinolyl, imidazolinyl, imidazolidinyl, isothiazolidinyl, isoxazolidinyl, morpholinyl, octahydroindolyl, octahydroisoindolyl, 2-oxopiperazinyl, 2-oxopiperidinyl, 2-oxopyrrolidinyl, oxazolidinyl, piperidinyl, piperazinyl, 4-piperidonyl, pyrrolidinyl, pyrazolidinyl, quinuclidinyl, thiazolidinyl, tetrahydrofuryl, trithianyl, tetrahydropyranyl, thiomorpholinyl, thiamorpholinyl, l-oxoxo
  • heterocyclyl is meant to include heterocyclyl radicals as defined above that are optionally substituted by one or more substituents selected from alkyl, alkenyl, alkynyl, halo, fluoroalkyl, oxo, thioxo, cyano, nitro, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aralkynyl, optionally substituted carbocyclyl, optionally substituted carbocyclylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, optionally substituted heteroaryl, optionally substituted
  • A-heterocyclyl radical refers to a heterocyclyl radical as defined above containing at least one nitrogen and where the point of attachment of the heterocyclyl radical to the rest of the molecule is through a nitrogen atom in the heterocyclyl radical.
  • An A-heterocyclyl radical is optionally substituted as described above for heterocyclyl radicals. Examples of such A- heterocyclyl radicals include, but are not limited to, 1 -morpholinyl, 1 -piperidinyl, 1 -piperazinyl, 1- pyrrolidinyl, pyrazolidinyl, imidazolinyl, and imidazolidinyl.
  • C-heterocyclyl or“C-attached heterocyclyl” refers to a heterocyclyl radical as defined above containing at least one heteroatom and where the point of attachment of the heterocyclyl radical to the rest of the molecule is through a carbon atom in the heterocyclyl radical.
  • a C-heterocyclyl radical is optionally substituted as described above for heterocyclyl radicals.
  • Examples of such C- heterocyclyl radicals include, but are not limited to, 2-morpholinyl, 2- or 3- or 4-piperidinyl, 2- piperazinyl, 2- or 3-pyrrolidinyl, and the like.
  • Heterocyclylalkyl refers to a radical of the formula -R c -heterocyclyl where R c is an alkylene chain as defined above. If the heterocyclyl is a nitrogen-containing heterocyclyl, the heterocyclyl is optionally attached to the alkyl radical at the nitrogen atom.
  • heterocyclylalkyl radical is optionally substituted as defined above for an alkylene chain.
  • the heterocyclyl part of the heterocyclylalkyl radical is optionally substituted as defined above for a heterocyclyl group.
  • Heterocyclylalkoxy refers to a radical bonded through an oxygen atom of the formula -O- R c -heterocyclyl where R c is an alkylene chain as defined above. If the heterocyclyl is a
  • the heterocyclyl is optionally attached to the alkyl radical at the nitrogen atom.
  • the alkylene chain of the heterocyclylalkoxy radical is optionally substituted as defined above for an alkylene chain.
  • the heterocyclyl part of the heterocyclylalkoxy radical is optionally substituted as defined above for a heterocyclyl group.
  • Heteroaryl refers to a radical derived from a 3 - to l8-membered aromatic ring radical that
  • the heteroaryl radical is a monocyclic, bicyclic, tricyclic or tetracyclic ring system, wherein at least one of the rings in the ring system is fully unsaturated, i.e., it contains a cyclic, delocalized (4n+2) p-electron system in accordance with the Hiickel theory.
  • Heteroaryl includes fused or bridged ring systems.
  • the heteroatom(s) in the heteroaryl radical is optionally oxidized.
  • One or more nitrogen atoms, if present, are optionally quatemized.
  • heteroaryl is attached to the rest of the molecule through any atom of the ring(s).
  • heteroaryls include, but are not limited to, azepinyl, acridinyl, benzimidazolyl, benzindolyl, l,3-benzodioxolyl, benzofuranyl, benzooxazolyl, benzo[d]thiazolyl, benzothiadiazolyl,
  • -phenyl - 1 //-pyrrol yl, phenazinyl, phenothiazinyl, phenoxazinyl, phthalazinyl, pteridinyl, purinyl, pyrrolyl, pyrazolyl, pyrazolo[3,4-d]pyrimidinyl, pyridinyl, pyrido[3,2-d]pyrimidinyl,
  • pyrido[3,4-d]pyrimidinyl pyrazinyl, pyrimidinyl, pyridazinyl, pyrrolyl, quinazolinyl, quinoxalinyl, quinolinyl, isoquinolinyl, tetrahydroquinolinyl, 5,6,7,8-tetrahydroquinazolinyl,
  • heteroaryl is meant to include heteroaryl radicals as defined above which are optionally substituted by one or more substituents selected from alkyl, alkenyl, alkynyl, halo, fluoroalkyl, haloalkenyl, haloalkynyl, oxo, thioxo, cyano, nitro, optionally substituted aryl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aralkynyl, optionally substituted carbocyclyl, optionally substituted carbocyclylalkyl, optionally substituted heterocyclyl, optionally substituted heterocyclylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, -R b -OR a , -R b -0C(0)-R a , -R b -0C(0)-0R a ,
  • /V-heteroaryl refers to a heteroaryl radical as defined above containing at least one nitrogen and where the point of attachment of the heteroaryl radical to the rest of the molecule is through a nitrogen atom in the heteroaryl radical.
  • An /V-heteroaryl radical is optionally substituted as described above for heteroaryl radicals.
  • C-heteroaryl refers to a heteroaryl radical as defined above and where the point of attachment of the heteroaryl radical to the rest of the molecule is through a carbon atom in the heteroaryl radical.
  • a C-heteroaryl radical is optionally substituted as described above for heteroaryl radicals.
  • Heteroaryl alkyl refers to a radical of the formula -R c -heteroaryl, where R c is an alkylene chain as defined above. If the heteroaryl is a nitrogen-containing heteroaryl, the heteroaryl is optionally attached to the alkyl radical at the nitrogen atom.
  • the alkylene chain of the heteroarylalkyl radical is optionally substituted as defined above for an alkylene chain.
  • the heteroaryl part of the heteroarylalkyl radical is optionally substituted as defined above for a heteroaryl group.
  • Heteroarylalkoxy refers to a radical bonded through an oxygen atom of the formula -O- R c -heteroaryl, where R c is an alkylene chain as defined above. If the heteroaryl is a
  • the heteroaryl is optionally attached to the alkyl radical at the nitrogen atom.
  • the alkylene chain of the heteroarylalkoxy radical is optionally substituted as defined above for an alkylene chain.
  • the heteroaryl part of the heteroarylalkoxy radical is optionally substituted as defined above for a heteroaryl group.
  • the compounds disclosed herein in some embodiments, contain one or more asymmetric centers and thus give rise to enantiomers, diastereomers, and other stereoisomeric forms that are defined, in terms of absolute stereochemistry, as ( R )- or (S)-. Unless stated otherwise, it is intended that all stereoisomeric forms of the compounds disclosed herein are contemplated by this disclosure. When the compounds described herein contain alkene double bonds, and unless specified otherwise, it is intended that this disclosure includes both E and Z geometric isomers ( e.g ., cis or trans.) Likewise, all possible isomers, as well as their racemic and optically pure forms, and all tautomeric forms are also intended to be included.
  • geometric isomer refers to A or Z geometric isomers (e.g., cis or trans) of an alkene double bond.
  • positional isomer refers to structural isomers around a central ring, such as ortho-, meta-, and para- isomers around a benzene ring.
  • a "tautomer” refers to a molecule wherein a proton shift from one atom of a molecule to another atom of the same molecule is possible.
  • the compounds disclosed herein are used in different enriched isotopic forms, e.g., enriched in the content of 2 H, 3 H, U C, 13 C and/or 14 C.
  • the compound is deuterated in at least one position.
  • deuterated forms can be made by the procedure described in U.S. Patent Nos. 5,846,514 and 6,334,997.
  • deuteration can improve the metabolic stability and or efficacy, thus increasing the duration of action of drugs.
  • structures depicted herein are intended to include compounds which differ only in the presence of one or more isotopically enriched atoms.
  • compounds having the present structures except for the replacement of a hydrogen by a deuterium or tritium, or the replacement of a carbon by 13 C- or 14 C-enriched carbon are within the scope of the present disclosure.
  • the compounds of the present disclosure optionally contain unnatural proportions of atomic
  • isotopes at one or more atoms that constitute such compounds may be labeled with isotopes, such as for example, deuterium ( 2 H), tritium ( 3 H), iodine-l25 ( 125 I) or carbon- 14 ( 14 C).
  • isotopes such as for example, deuterium ( 2 H), tritium ( 3 H), iodine-l25 ( 125 I) or carbon- 14 ( 14 C).
  • Isotopic substitution with 3 ⁇ 4 U C, 13 C, 14 C, 15 C, 12 N, 13 N, 15 N, 16 N, 16 0, 17 0, 14 F, 1 5 F, 16 F, 17 F, 18 F, 33 S, 34 S, 35 S, 36 S, 35 Cl, 37 Cl, 79 Br, 81 Br, 125 I are all contemplated.
  • isotopic substitution with 18 F is contemplated.
  • the compounds disclosed herein have some or all of the 1H atoms replaced with 2 H atoms.
  • the methods of synthesis for deuterium-containing compounds are known in the art and include, by way of non-limiting example only, the following synthetic methods.
  • deuterium-containing reagents and building blocks are available commercially from chemical vendors, such as Aldrich Chemical Co.
  • CD 3 I iodomethane-d 3
  • Deuterium-transfer reagents such as lithium aluminum deuteride (LiAlD 4 ), are employed to prepare a liquid crystal sample.
  • LiAlD 4 lithium aluminum deuteride
  • LiAlD 4 transfer deuterium under reducing conditions to the reaction substrate.
  • the use of LiAlD 4 is illustrated, by way of example only, in the reaction schemes below.
  • Deuterium gas and palladium catalyst are employed to reduce unsaturated carbon-carbon linkages and to perform a reductive substitution of aryl carbon-halogen bonds as illustrated, by way of example only, in the reaction schemes below.
  • the compounds disclosed herein contain one deuterium atom. In another embodiment, the compounds disclosed herein contain one deuterium atom. In another
  • the compounds disclosed herein contain two deuterium atoms. In another embodiment, the compounds disclosed herein contain two deuterium atoms. In another
  • the compounds disclosed herein contain three deuterium atoms. In another embodiment, the compounds disclosed herein contain four deuterium atoms. In another
  • the compounds disclosed herein contain five deuterium atoms. In another embodiment, the compounds disclosed herein contain five deuterium atoms. In another
  • the compounds disclosed herein contain six deuterium atoms. In another embodiment, the compounds disclosed herein contain six deuterium atoms. In another
  • the compounds disclosed herein contain more than six deuterium atoms. In another embodiment, the compound disclosed herein is fully substituted with deuterium atoms and contains no non-exchangeable 1H hydrogen atoms. In one embodiment, the level of deuterium incorporation is determined by synthetic methods in which a deuterated synthetic building block is used as a starting material.
  • “Pharmaceutically acceptable salt” includes both acid and base addition salts.
  • a pharmaceutically acceptable salt of any one of the inhibitor of cyclin-dependent kinases (CDKs) compounds described herein is intended to encompass any and all pharmaceutically suitable salt forms.
  • “Pharmaceutically acceptable acid addition salt” refers to those salts which retain the biological effectiveness and properties of the free bases, which are not biologically or otherwise undesirable, and which are formed with inorganic acids such as hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid, hydroiodic acid, hydrofluoric acid, phosphorous acid, and the like. Also included are salts that are formed with organic acids such as aliphatic mono- and dicarboxylic acids, phenyl-substituted alkanoic acids, hydroxy alkanoic acids, alkanedioic acids, aromatic acids, aliphatic and. aromatic sulfonic acids, etc.
  • acetic acid trifluoroacetic acid, propionic acid, glycolic acid, pyruvic acid, oxalic acid, maleic acid, malonic acid, succinic acid, fumaric acid, tartaric acid, citric acid, benzoic acid, cinnamic acid, mandelic acid, methanesulfonic acid, ethanesulfonic acid, p-toluenesulfonic acid, salicylic acid, and the like.
  • Exemplary salts thus include sulfates, pyrosulfates, bi sulfates, sulfites, bi sulfites, nitrates, phosphates,
  • monohydrogenphosphates dihydrogenphosphates, metaphosphates, pyrophosphates, chlorides, bromides, iodides, acetates, trifluoroacetates, propionates, caprylates, isobutyrates, oxalates, malonates, succinate suberates, sebacates, fumarates, maleates, mandelates, benzoates, chlorobenzoates,
  • methylbenzoates dinitrobenzoates, phthalates, benzenesulfonates, toluenesulfonates, phenylacetates, citrates, lactates, malates, tartrates, methanesulfonates, and the like.
  • salts of amino acids such as arginates, gluconates, and galacturonates (see, for example, Berge S.M. et al,
  • Acid addition salts of basic compounds are, in some embodiments, prepared by contacting the free base forms with a sufficient amount of the desired acid to produce the salt according to methods and techniques with which a skilled artisan is familiar.
  • “Pharmaceutically acceptable base addition salt” refers to those salts that retain the biological
  • salts are prepared from addition of an inorganic base or an organic base to the free acid.
  • Pharmaceutically acceptable base addition salts are, in some embodiments, formed with metals or amines, such as alkali and alkaline earth metals or organic amines.
  • Salts derived from inorganic bases include, but are not limited to, sodium, potassium, lithium, ammonium, calcium, magnesium, iron, zinc, copper, manganese, aluminum salts and the like.
  • Salts derived from organic bases include, but are not limited to, salts of primary, secondary, and tertiary amines, substituted amines including naturally occurring substituted amines, cyclic amines and basic ion exchange resins, for example, isopropylamine, trimethylamine, diethylamine, triethylamine, tripropylamine,
  • dicyclohexylamine lysine, arginine, histidine, caffeine, procaine, N, A-di b enzy 1 eth y 1 en edi am i n e, chloroprocaine, hydrabamine, choline, betaine, ethylenediamine, ethylenedianiline, N- methylglucamine, glucosamine, methylglucamine, theobromine, purines, piperazine, piperidine, N-ethylpiperidine, polyamine resins and the like. See Berge et al., supra.
  • solvates refers to a composition of matter that is the solvent addition form.
  • solvates contain either stoichiometric or non-stoichiometric amounts of a solvent, and are formed during the process of making with pharmaceutically acceptable solvents such as water, ethanol, and the like. Hydrates are formed when the solvent is water, or alcoholates are formed when the solvent is alcohol. Solvates of compounds described herein are conveniently prepared or formed during the processes described herein. The compounds provided herein optionally exist in either unsolvated as well as solvated forms.
  • the term“subject” or“patient” encompasses mammals.
  • mammals include, but are not limited to, any member of the Mammalian class: humans, non-human primates such as
  • the mammal is a human.
  • compositions are, in some embodiments, administered to a patient at risk of developing a particular disease, or to a patient reporting one or more of the physiological symptoms of a disease, even though a diagnosis of this disease has not been made.
  • Cyclin-dependent kinases are a family of serine/threonine protein kinases that are known to function in the processes of cell cycle regulation, metabolism, gene transcription, RNA processing, and DNA repair, with each CDK playing a distinct role (Malumbres, M., 2014, Genome Biol.
  • CDKs have long been of therapeutic interest in the treatment of conditions characterized by cellular hyperproliferation, such as cancer, psoriasis, and fungal infections (Coleman, K. G. et ah, 1997, Annual Reports in Medicinal Chemistry 32, 171-179).
  • CDKs are characterized by as being dependent on one or more separate catalytic cyclin subunits in order to carry out specific functions (Malumbres, 2014). Structurally, CDKs comprise a conserved catalytic core containing an ATP -binding pocket, a cyclin binding domain, and an activating T-loop motif (Coleman, 1997; Enke et ah, 1999, J. Biol. Chem. 274(4), 1949-1956).
  • Human cells are known to have at least 20 CDKs and 29 cyclins, which can be grouped into 8
  • CDK7 and CDK9 are part of the subfamily of transcriptional CDKs which regulate gene
  • Inhibitors of CDK7 and CDK9 are recognized in the art as being therapeutically beneficial against various types of cancers.
  • CDK7 is known to be required for activity-dependent neuronal gene expression, synaptic plasticity, and long-term memory (He et ah, 2017, Front. Mol. Neurosci. 10, 365-377). CDK7 inhibition is known to suppress rheumatoid arthritis inflammation via blocking NF-kB activation and IL- 1 p/IL-6 secretion (Hong et al., 2017, J. Cell. Mol. Med. 22, 1292-1301), and has been shown to disrupt the cell cycle of high-grade glioma (Greenall et al., 2017, Oncogenesis 6(5), e336). The CDK7 inhibitor THZ1 has been shown to significantly affect transcription in T cell leukemia,
  • CDK9 is known to regulate the expression of antiapoptotic proteins for the survival of cancer cells (Pang et al., 2017, Cancer Med. 6(10), 2398-2409) and is known to regulate the DNA damage response in complex with cyclin-K (Lim, 2013). Inhibitors of CDK9 have been shown to repress transcription of genes associated with B-cell lymphoma, the most common form of non-Hodgkin lymphoma (Dey et al., 2017, Sci. Rep. 7(1), 18007), hepatocellular carcinoma (Pang, 2017), NUT midline carcinoma (Bragelmann et al., 2017, Cell Rep.
  • ovarian cancer 20(12), 2833-2845
  • epithelial carcinoma colorectal carcinoma
  • cervical carcinoma cervical carcinoma
  • prostate adenocarcinoma breast adenocarcinoma
  • pancreatic carcinoma Li et al., 2014, Oncotarget 5, 7691-7704.
  • CDK12 and CDK13 are transcription-associated CDKs, and are known to regulate RNA
  • CDK12 has oncogenic properties, and is mutated or overexpressed in various types of cancer, leading to dysregulation of cell proliferation (Paculova, 2017).
  • CDK12 inhibitors have been found to reduce gene expression in BRCA cells (Johnson et al., 2016, Cell Rep. 17(9), 2367-2381). Mutations of CDK12 have been shown to disrupt DNA repair, contributing to hyperproliferation and the pathogenesis of breast tumor cells (Tien et al., 2017, Nucleic Acids Res. 45(11), 6698-6716). It is estimated that CDK12 mutations are present in 13% of breast cancers and 5% of ovarian cancers (Tien, 2017; Cerami et al., 2012, Cancer Discov. 2, 401- 404; Cancer Genome Atlas Research Network, 2011, Nature, 474, 609-615; Kandoth et al., 2013, Nature 502, 333-339; Cancer Genome Atlas Network, 2012, Nature 490, 61-70).
  • CDK13 is known to regulate processes associated with growth signaling (Gräberg et al., 2016, Cell Rep. 14, 320-331). CDK13 mutations affecting the protein kinase domain have been linked to congenital heart disease, developmental delay and intellectual disability (Hamilton et al., 2017, J. Med. Genet. 55(1), 28-38). CDK13 is known to interact with the splicing factor SRSF1 and regulate alternative splicing of HIV mRNA (Berro et al., 2008, J. Virol. 82, 7155-7166). [0078] CDK inhibitory compounds have been described in the literature. See, for example: Gao et al.,
  • CDKs small molecule inhibitor of cyclin-dependent kinases
  • a pharmaceutical composition comprising a small molecule inhibitor of cyclin-dependent kinases (CDKs).
  • CDKs small molecule inhibitor of cyclin-dependent kinases
  • a heteroaromatic CDK inhibitory compound as described herein is used to treat or prevent cancer in a subject in need thereof.
  • a pharmaceutical composition comprising a heteroaromatic CDK inhibitory compound as described herein is used to treat or prevent cancer in a subject in need thereof.
  • a method of treating cancer comprising administering to a subject in need thereof a therapeutically effective amount of a heteroaromatic CDK inhibitory compound as described herein.
  • a method of treating cancer comprising administering to a subject in need thereof a therapeutically effective amount of a pharmaceutical composition comprising a heteroaromatic CDK inhibitory compound as described herein.
  • a method of treating cancer comprising administering to a subject having been previously diagnosed with cancer a therapeutically effective amount of a heteroaromatic CDK inhibitory compound as described herein.
  • Myotonic dystrophy is a rare gentic disorder that affects muscle function. Symptoms include
  • type 1 due to mutations in the dystrophia myotonica protein kinase (DMPK) gene
  • type 2 due to mutations in the CNBP gene.
  • Myotonic dystrophy type 1 is caused by a repeat expansion mutation in the 3’ -untranslated region of the DMPK gene. When expressed the DMPK expansion transcripts remain in the nucleus where they form foci.
  • Hayes et al. (WO 2017/163076 and WO 2019/058132) have found CDK12 inhibitors useful in the treatment of disorders caused by the generation of RNA repeat expansion transcripts.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7,
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK9 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK12 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK 13 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7 and CDK9 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7 and CDK12 inhibitory compound. In some embodiments, a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7 and CDK 13 inhibitory compound. In some embodiments, a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK9 and CDK12 inhibitory compound. In some embodiments, a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK9 and CDK13 inhibitory compound. In some embodiments, a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK 12 and CDK 13 inhibitory compound. In some embodiments, a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7, CDK9, and CDK12 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7,
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK7, CDK12, and CDK13 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound is a heteroaromatic CDK9, CDK12, and CDK13 inhibitory compound.
  • a heteroaromatic CDK inhibitory compound in one aspect, provided herein is a heteroaromatic CDK inhibitory compound.
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (I):
  • E is selected from a bond, -SO2-, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • G is selected from a group having the structure:
  • L is O, NH, or N(optionally substituted C1-C4 alkyl); t is 0, 1, or 2;
  • u 1, or 2;
  • p 0, 1, or 2;
  • r 0, 1, or 2;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 5 is optionally substituted C1-C4 alkyl, or optionally substituted heterocyclylalkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • heterocyclyl heterocyclylalkyl, heteroaryl, or heteroarylalkyl
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen or -CN.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein L is NFL
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein t is 2.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0, 1, or 2.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0, or 1.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein X is a halogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen.
  • embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 and R 3 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C4 alkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C2 alkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl and the Cl alkyl is substituted with an optionally substituted amino group.
  • Another embodiment provides the compound wherein the optionally substituted amino group is a dimethylamino.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is -CH 2 -N(Me)2.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted heterocyclylalkyl comprises an optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted heterocyclylalkyl comprises an optionally substituted N-linked heterocyclyl.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted N-linked heterocyclyl is an N-linked pyrrolidine or piperidine.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 1. Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 2. Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 3.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is hydrogen. Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is halogen. Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is optionally substituted C1-C6 alkyl. Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein both R 11 groups form an oxo.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 16 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 17 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 18 is hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 and R 16 are hydrogen.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is a bond.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is -S0 2 -.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(O)-.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH 2 -.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH(R 4 )-.
  • Another embodiment provides a compound of Formula (I), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(R 4 ) 2 -.
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (II):
  • E is selected from a bond, -S0 2 -, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • G is selected from a group having the structure:
  • L is O, NH, or N(optionally substituted C1-C4 alkyl);
  • t 0, 1, or 2;
  • u 1 or 2;
  • p 0, 1, or 2;
  • r 0, 1, or 2;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 5 is optionally substituted C1-C4 alkyl, or optionally substituted heterocyclylalkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R : )S0 2 N(R 22 ) 2 , -N(R 22 ) 2 , -N(R 22 ) 2 , -N(R : )S0 2 N(R
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -N(R 22 ) 2 N(R 22 ) 2 ,
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen or -CN.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein L is NFL [00122] Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein t is 2.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0, or 1.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein X is a halogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 and R 3 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C4 alkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C2 alkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl and the Cl alkyl is substituted with an optionally substituted amino group.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl, the Cl alkyl is substituted with an optionally substituted amino group, and the optionally substituted amino group is a
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is -CH 2 -N(Me)2.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl, and the optionally substituted heterocyclylalkyl comprises an optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl, and the optionally substituted heterocyclylalkyl comprises an optionally substituted N-linked heterocyclyl.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl, the optionally substituted heterocyclylalkyl comprises an optionally substituted N-linked heterocyclyl, and the optionally substituted N-linked heterocyclyl is an N-linked pyrrolidine or piperidine.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 1. Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 2. Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 3.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is hydrogen. Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is halogen. Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is optionally substituted C1-C6 alkyl. Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein both R 11 groups form an oxo.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 16 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 17 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 18 is hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 and R 16 are hydrogen.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is a bond.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is -S0 2 -.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(O)-.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH 2 -.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH(R 4 )-.
  • Another embodiment provides a compound of Formula (II), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(R 4 ) 2 -.
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (la):
  • E is selected from a bond, -S0 2 -, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • X is O, NH, -C(R u ) 2 -;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • R 5 is optionally substituted C1-C4 alkyl, or optionally substituted heterocyclylalkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen or -CN.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0, 1, or 2.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein q is 0, or 1.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein X is a halogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 is hydrogen.
  • Another embodiment provides a compound of Formula (IV), or pharmaceutically acceptable salt or solvate thereof, wherein R 3 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 2 and R 3 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C4 alkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted C1-C2 alkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted Cl alkyl and the Cl alkyl is substituted with an optionally substituted amino group.
  • Another embodiment provides the compound wherein the optionally substituted amino group is a dimethylamino.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is -CH 2 -N(Me) 2.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 1 is optionally substituted heterocyclylalkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted heterocyclylalkyl comprises an optionally substituted Cl alkyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted heterocyclylalkyl comprises an optionally substituted N-linked heterocyclyl.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein the optionally substituted N-linked heterocyclyl is an N-linked pyrrolidine or piperidine.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 1. Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 2. Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein n is 1 and m is 3.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is hydrogen. Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is halogen. Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 11 is optionally substituted C1-C6 alkyl. Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein both R 11 groups form an oxo.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein Y is selected from:
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein Y is:
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 16 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 17 is hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 18 is hydrogen.
  • [00175] Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein R 15 and R 16 are hydrogen.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is a bond.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is -S0 2 -.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(O)-.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH 2 -.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is -CH(R 4 )-.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein E is -C(R 4 ) 2 -.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein X is O.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein X is NFL
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein X is -C(R U ) 2 -.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein p is 0.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein p is 1.
  • Another embodiment provides a compound of Formula (la), or pharmaceutically acceptable salt or solvate thereof, wherein p is 2.
  • the heteroaromatic CDK inhibitory compound of Formula (I), Formula (II), or Formula (la) described herein has a structure provided in Table 1.
  • Table 1 Table 1
  • One embodiment provides a compound, or pharmaceutically acceptable salt or solvate thereof, having the structure of Formula (III):
  • A is C-H, or N
  • E is selected from a bond, -S0 2 -, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • A is C-H or N;
  • G is selected from a group having the structure:
  • r 0, 1, or 2;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is a group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryloxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • the heteroaromatic CDK inhibitory compound of Formula (III) as described herein has a structure provided in Table 2.
  • One embodiment provides a method of inhibiting a CDK enzyme comprising contacting the
  • CDK enzyme with a compound of Formula (I), (II), (la) or a compound disclosed in Table 1.
  • the CDK enzyme is selected from CDK7, CDK9, CDK12, or CDK13, or a combination thereof.
  • One embodiment provides a modified CDK 12 polypeptide wherein the active site cysteine of unmodified CDK12 has been modified with a substituent having the structure of Formula (IV):
  • A is C-H or N
  • E is selected from a bond, -S0 2 -, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl; each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is an optionally substituted lO-atom bicyclic heteroaryl with at least one nitrogen atom.
  • Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is isoform 1 (homo sapiens).
  • Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is isoform 2 (homo sapiens).
  • Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is an isoform 1 (homo sapiens) variant. Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is isoform 1 (homo sapiens) variant II 13 IV. Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is isoform 1 (homo sapiens) variant Ll 189Q. Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is isoform 1 (homo sapiens) variant Tl 195M.
  • Another embodiment provides the modified CDK12 polypeptide wherein the unmodified CDK12 polypeptide is a SEQID selected from a SEQID provided in Table 3 or 4.
  • One embodiment provides a modified CDK13 polypeptide wherein the active site cysteine of unmodified CDK13 has been modified with a substituent having the structure of Formula (IV):
  • A is C-H or N
  • E is selected from a bond, -SO2-, -C(O)-, -CH 2 -, -CH(R 4 )-, or -C(R 4 ) 2 -;
  • R 1 is selected from hydrogen, optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • R 2 is selected from hydrogen, or optionally substituted C1-C4 alkyl
  • R 3 is selected from hydrogen, -CN, or optionally substituted C1-C4 alkyl
  • each R 4 is independently selected from optionally substituted C1-C4 alkyl, or optionally substituted heterocy cl yl alkyl;
  • each R 11 is independently selected from hydrogen, halogen, optionally substituted C1-C6 alkyl, or both R 11 groups form an oxo;
  • X is halogen, optionally substituted C1-C4 alkyl, or optionally substituted C1-C4 alkoxy;
  • Y is an optionally substituted lO-atom bicyclic heteroaryl with at least one nitrogen atom.
  • Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is isoform 1 (homo sapiens).
  • Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is isoform 2 (homo sapiens).
  • Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is an isoform 1 (homo sapiens) variant. Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is isoform 1 (homo sapiens) variant L403F. Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is isoform 1 (homo sapiens) variant T500A.
  • Another embodiment provides the modified CDK13 polypeptide wherein the unmodified CDK13 polypeptide is a SEQID selected from a SEQID provided in Table 5 or 6.
  • Another embodiment provides the modified CDK12 or the modified CDK13 polypeptide wherein the structure of Formula (IV) has the Y group selected from:
  • R 15 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 16 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 17 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • R 18 is selected from hydrogen, halogen, -CN, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted cycloalkyl-O-, optionally substituted aryl, optionally substituted aralkyl, optionally substituted heteroaryl, optionally substituted heteroaralkyl, optionally substituted aryloxy, optionally substituted aralkyloxy, optionally substituted heteroaryl oxy, optionally substituted heteroaralkyloxy, -N(R 22 ) 2 , -S0 2 R 21 , -N(R 22 )S0 2 R 21 , -S0 2 N(R 22 ) 2 , -N(R 22 )S0 2 N(R 22 ) 2 , -CON(R 22 ) 2 , -N(R 22 )C0 2 R 21 , -N(R 22 )CON(R 22
  • each R 21 is independently selected from alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl;
  • each R 22 is independently selected from hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, aryl, aralkyl, heterocyclyl, heterocyclylalkyl, heteroaryl, or heteroarylalkyl.
  • Another embodiment provides the modified CDK12 or the modified CDK13 polypeptide wherein the structure of Formula (IV) has A is C-H. Another embodiment provides the modified CDK12 or the modified CDK13 polypeptide wherein the structure of Formula (IV) has A is N.
  • Another embodiment provides the modified CDK12 or the modified CDK13 polypeptide wherein the structure of Formula (IV) has E is -C(O)-.
  • Another embodiment provides the modified CDK12 or the modified CDK13 polypeptide wherein the structure of Formula (IV) has n is 1, and m is 2.
  • heteroaromatic CDK inhibitory compound described herein is
  • the heteroaromatic CDK inhibitory compound described herein is combined with a pharmaceutically suitable or acceptable carrier (also referred to herein as a pharmaceutically suitable (or acceptable) excipient, physiologically suitable (or acceptable) excipient, or physiologically suitable (or acceptable) carrier) selected on the basis of a chosen route of administration and standard pharmaceutical practice as described, for example, in Remington: The Science and Practice of Pharmacy (Gennaro, 2 I st Ed. Mack Pub. Co., Easton, PA (2005)).
  • a pharmaceutically suitable or acceptable carrier also referred to herein as a pharmaceutically suitable (or acceptable) excipient, physiologically suitable (or acceptable) excipient, or physiologically suitable (or acceptable) carrier
  • composition comprising at least one heteroaromatic CDK
  • inhibitory compound as described herein or a stereoisomer, pharmaceutically acceptable salt, hydrate, or solvate thereof, together with one or more pharmaceutically acceptable carriers.
  • the carrier(s) or excipient(s) is acceptable or suitable if the carrier is compatible with the other ingredients of the composition and not deleterious to the recipient ( i.e the subject or the patient) of the composition.
  • One embodiment provides a pharmaceutical composition
  • a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of Formula (I), (II), (la), or a compound disclosed in Table 1, or a pharmaceutically acceptable salt or solvate thereof.
  • One embodiment provides a pharmaceutical composition
  • a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of Formula (III), or a compound disclosed in Table 2, or a
  • One embodiment provides a method of preparing a pharmaceutical composition comprising mixing a compound of Formula (I), (la) or (II), or a pharmaceutically acceptable salt or solvate thereof, and a pharmaceutically acceptable carrier.
  • the heteroaromatic CDK inhibitory compound as described by Formula (I), (la), or (II), or a compound disclosed in Table 1 is substantially pure, in that it contains less than about 5%, or less than about 1%, or less than about 0.1%, of other organic small molecules, such as unreacted intermediates or synthesis by-products that are created, for example, in one or more of the steps of a synthesis method.
  • Suitable oral dosage forms include, for example, tablets, pills, sachets, or capsules of hard or soft gelatin, methylcellulose or of another suitable material easily dissolved in the digestive tract.
  • suitable nontoxic solid carriers include, for example, pharmaceutical grades of mannitol, lactose, starch, magnesium stearate, sodium saccharin, talcum, cellulose, glucose, sucrose, magnesium carbonate, and the like. (See, e.g, Remington: The Science and Practice of Pharmacy (Gennaro, 2l st Ed. Mack Pub. Co., Easton, PA (2005)).
  • the heteroaromatic CDK inhibitory compound as described by Formula (I), (la), (II), or a compound disclosed in Table 1, or pharmaceutically acceptable salt or solvate thereof is formulated for administration by injection.
  • the injection formulation is an aqueous formulation.
  • the injection formulation is a non-aqueous
  • the injection formulation is an oil-based formulation, such as sesame oil, or the like.
  • the dose of the composition comprising at least one heteroaromatic CDK inhibitory compound as described herein differs depending upon the subject or patient's (e.g., human) condition.
  • such factors include general health status, age, and other factors.
  • compositions are administered in a manner appropriate to the disease to be treated (or prevented).
  • An appropriate dose and a suitable duration and frequency of administration will be determined by such factors as the condition of the patient, the type and severity of the patient's disease, the particular form of the active ingredient, and the method of administration.
  • an appropriate dose and treatment regimen provides the composition(s) in an amount sufficient to provide therapeutic and/or prophylactic benefit (e.g., an improved clinical outcome, such as more frequent complete or partial remissions, or longer disease-free and/or overall survival, or a lessening of symptom severity.
  • Optimal doses are generally determined using experimental models and/or clinical trials. The optimal dose depends upon the body mass, weight, or blood volume of the patient.
  • Oral doses typically range from about 1.0 mg to about 1000 mg, one to four times, or more, per day.
  • One embodiment provides a compound of Formula (I), (la) or (II), or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treatment of the human or animal body.
  • One embodiment provides a compound of Formula (I), (la) or (II), or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treatment of cancer or neoplastic disease.
  • One embodiment provides a use of a compound of Formula (I), (la) or (II), or a pharmaceutically acceptable salt or solvate thereof, in the manufacture of a medicament for the treatment of cancer or neoplastic disease.
  • described herein is a method of treating cancer in a patient in need thereof comprising administering to the patient a compound of Formula (I), or a pharmaceutically acceptable salt or solvate thereof. In some embodiments, described herein is a method of treating cancer in a patient in need thereof comprising administering to the patient a compound of Formula (la), or a pharmaceutically acceptable salt or solvate thereof. In some embodiments, described herein is a method of treating cancer in a patient in need thereof comprising administering to the patient a compound of Formula (II), or a pharmaceutically acceptable salt or solvate thereof.
  • described herein is a method of treating cancer in a patient in need thereof comprising administering to the patient a compound disclosed in Table 1, or a pharmaceutically acceptable salt or solvate thereof.
  • a method of treating cancer in a patient in need thereof comprising administering to the patient a pharmaceutical composition comprising a compound of Formula (I), or a pharmaceutically acceptable salt or solvate thereof, and a pharmaceutically acceptable excipient.
  • a method of treating cancer in a patient in need thereof comprising administering to the patient a pharmaceutical composition comprising a compound of Formula (la), or a
  • cancer is breast cancer, colorectal cancer, ovarian cancer, pancreatic cancer, prostate cancer, or lung cancer.
  • One embodiment provides a compound of Formula (III), or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treatment of the human or animal body.
  • One embodiment provides a compound of Formula (III), or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treatment of cancer or neoplastic disease.
  • the cancer is breast cancer, colorectal cancer, ovarian cancer, pancreatic cancer, prostate cancer, or lung cancer.
  • One embodiment provides a use of a compound of Formula (III), or a pharmaceutically acceptable salt or solvate thereof, in the manufacture of a medicament for the treatment of cancer or neoplastic disease.
  • the cancer is breast cancer, colorectal cancer, ovarian cancer, pancreatic cancer, prostate cancer, or lung cancer.
  • described herein is a method of treating myotonic dystrophy type 1 in a patient in need thereof comprising administering to the patient a compound of Formula (I), or a pharmaceutically acceptable salt or solvate thereof.
  • described herein is a method of treating myotonic dystrophy type 1 in a patient in need thereof comprising administering to the patient a compound of Formula (la), or a pharmaceutically acceptable salt or solvate thereof.
  • described herein is a method of treating myotonic dystrophy type 1 in a patient in need thereof comprising administering to the patient a compound of Formula (II), or a pharmaceutically acceptable salt or solvate thereof.
  • described herein is a method of treating myotonic dystrophy type 1 in a patient in need thereof comprising administering to the patient a compound of Formula (III), or a pharmaceutically acceptable salt or solvate thereof.
  • composition is administered by injection.
  • heteroaromatic CDK inhibitory compounds disclosed herein are N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-aminoethyl-N-(2-aminoethyl)-2-oxidethyl
  • Step 2 and 3 [00246] The title compound was prepared in 10% yield from (R)-/er/-butyl 3-(isoquinolin-3- ylamino)piperidine-l-carboxylate using general procedure of (R)-/V-(4-(3-(quinazolin-2- ylamino)piperidine-l-carbonyl)phenyl)acrylamide.
  • Step 3 A mixture of (R)-7-(methylsulfonyl)-N-(piperidin-3-yl)quinazolin-2-amine (134 mg, 0.46 mmol), 4-acrylamidobenzoic acid (96 mg, 0.5 mmol), HATU (349 mg, 0.92 mmol), DIPEA (237 mg, 1.8 mmol) in DMF (5 mL) was stirred at 25 °C overnight. The reaction mixture was quenched with water (30 mL) and extracted with EA (30 mL*2).
  • Example 12 4-acrylamidobenzov0piperidin-3-v0aminoVN.,N-dimethylquinazoline-
  • Step 3 [00288] To a solution of (R)-6-chloro-/V-(pyrrolidin-3-yl)quinazolin-2-amine hydrochloride (250 mg, 0.88 mmol), 4-acrylamidobenzoic acid (168 mg, 0.88 mmol) and DIEA (340 mg, 2.64 mmol) in DMF (15 mL) was added HATU (401 mg, 1.06 mmol) at RT. The mixture was stirred at RT for 12 h.
  • reaction mixture was purified by prep- HPLC to give (R)-/V-(4-(3-((6-chloroquinazolin-2- yl)amino)pyrrolidine-l-carbonyl)phenyl)acrylamide (57 mg, 15%).
  • Step 2 to 3 [00291] The title compound was prepared in 18% yield from (R)-/er/-butyl 3-(isoquinolin-3- ylamino)pyrrolidine-l-carboxylate using general procedure of (R)-/V-(4-(3-((6-chloroquinazolin-2- yl)amino)pyrrolidine-l-carbonyl)phenyl)acrylamide.
  • Step 1 tert-butyl 3-(quinazolin-2-ylamino)azetidine-l-carboxylate
  • Step 3 N-(4-(3-(quinazolin-2-ylamino)azetidine-l-carbonyl)phenyl)acrylamide
  • Step 4 (R,E)-4-(dimethylamino)-N-(4-(3-(quinazolin-2-ylamino)pyrrolidine-l- carbonyl)phenyl)but-2-enamide
  • Step 3 (R,E)-4-(dimethylamino)-N-(4-(3-(quinazolin-2-ylamino)piperidine-l- carbonyl)phenyl)but-2-enamide
  • reaction mixture was diluted with water (50 mL) and extracted with DCM (50 mL* 3). The combined organic layer was washed with brine (20 mL), dried over Na 2 S0 4 , filtered and
  • Step 3 (R)-N-(5-(3-(quinazolin-2-ylamino)pyrrolidine-l-carbonyl)pyridin-2-yl)acrylamide
  • Step 1 (R)-(3-fluoro-4-nitrophenyl)(3-(quinazolin-2-ylamino)pyrrolidin-l-yl)methanone

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